*{
    margin: 0;
    padding: 0;
}
#di{
    text-align: center;
    padding-top: 100px;
    padding-bottom: 100px;
    margin: auto;
}

.main-inner{
    width: 80%;
    margin: auto;
}
h2{
    padding: 40px 0 10px 0;
}
ul li{
    list-style: none;
}
#list li:first-child{
    background: #F2F2F2;
}
#list li{
    padding: 10px 0;
}
#list li span{
    width: 30%;
    display: inline-block;
}
#n,#s,#a,#btn{
    border-radius: 5px;
    font-size: 16px;
    width: 300px;
    height: 40px;
    line-height: 40px;
    /*border: none;*/
    padding: 5px;
    border: 1px solid white;
    outline: none;
    margin-right: 10px;
}
#btn{
    color: white;
    padding: 0;
    background: #007BFF;
}
#s{
    vertical-align: middle;
}


#n:hover,#s:hover,#a:hover{
    border: 1px solid #999999;
}